Vacuum Maxwell equations
= Vacuum Maxwell equations
{c}
For the electromagnetic two-form $F$, the source-free Maxwell equations are $dF=0$ and $d(*F)=0$. The first is the Bianchi identity and the second is the dynamical equation.
= Vacuum Maxwell equations
{c}
For the electromagnetic two-form $F$, the source-free Maxwell equations are $dF=0$ and $d(*F)=0$. The first is the Bianchi identity and the second is the dynamical equation.